$dSize:13px;
$header:#666666;
$themeColor:#11346D;
$themeColorSub:#050505;
$xs:'screen and (max-width:767px)'; //手机屏幕
$sm:'screen and (min-width:768px) and (max-width:992px)'; //pad屏幕
$md:'screen and (min-width:993px) and (max-width:1199px)'; //中等屏幕
$lg:'screen and (min-width:1200px) and (max-width:1720px)'; //大屏幕
$dlg:'screen and (min-width:1721px)'; //超大屏幕